I confess I've never added a blocklist for Shareaza so I cannot give you specific 'how to' details. But check Shareaza • View topic - All-In-One AntiSpam Filter [Aug-14-2011] however this list looks a little old.

Once you have the blocklist you can manually add the address to the file, perhaps before you install it.
Whilst the BearShare hostiles had 185.180.0.0/16 blocked, you might go smaller scale and instead either add:
185.180.206.41

Or add both:

185.180.204.0/22
185.180.208.0/22
which covers the Hekko_VPS_Servers range where that misbehaviour was coming from.

I don't know whether Shareaza now has an auto-hostiles update system. (WireShare does, but WireShare also blocks a few types of BOTs by default using other techniques. That includes the reknown spam-BOT.)